The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-289-9444, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Tyee Aircraft Inc Div Tyee Aircraft. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-289-9444 |
| Primary Part Number | STSBG004A04U12 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Tyee Aircraft Inc Div Tyee Aircraft |
| Status | ACTIVE |
| Head Height | 0.234 INCHES NOMINAL IN |
| Fastener Length | 1.181 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Length | 0.431 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.750 INCHES NOMINAL IN |
| Grip Diameter | 0.249 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE GRIP |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11697A04U012 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG004A04U12 PRIMARY | Tyee Aircraft Inc Div Tyee Aircraft (USA) |
NSN 5306-01-289-9444 is a Bolt,close Tolerance, manufactured by Tyee Aircraft Inc Div Tyee Aircraft, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-289-9444 has 2 manufacturer part numbers on file: 11697A04U012 (Reid Products Inc. Dba Reid Products Inc), STSBG004A04U12 (Tyee Aircraft Inc Div Tyee Aircraft).
Key specifications for STSBG004A04U12: Head Height: 0.234 INCHES NOMINAL IN; Fastener Length: 1.181 INCHES NOMINAL IN; Extended Washer Diameter: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Length: 0.431 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.